The CGI endpoints v2x00.cgi and cgiwcg.cgi of DrayTek Vigor3910 devices through 4.3.2.6…
Priority LOW 37CWE-120Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.
Summary
The CGI endpoints v2x00.cgi and cgiwcg.cgi of DrayTek Vigor3910 devices through 4.3.2.6 are vulnerable to buffer overflows, by authenticated users, because of missing bounds checking on parameters passed through POST requests to the strncpy function.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00328 26th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 48
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:draytek:vigor2620_firmware:*:*:*:*:*:*:*:* | all versions | Vulnerable | DrayTek |
| cpe:2.3:h:draytek:vigor2620:-:*:*:*:*:*:*:* | not specified by NVD | Running on | DrayTek |
| cpe:2.3:o:draytek:vigor2915_firmware:*:*:*:*:*:*:*:* | before 4.4.5.3 | Vulnerable | DrayTek |
| cpe:2.3:h:draytek:vigor2915:-:*:*:*:*:*:*:* | not specified by NVD | Running on | DrayTek |
| cpe:2.3:o:draytek:vigor2866_firmware:*:*:*:*:*:*:*:* | before 4.4.5.2 | Vulnerable | DrayTek |
| cpe:2.3:h:draytek:vigor2866:-:*:*:*:*:*:*:* | not specified by NVD | Running on | DrayTek |
| cpe:2.3:o:draytek:vigor2766_firmware:*:*:*:*:*:*:*:* | before 4.4.5.3 | Vulnerable | DrayTek |
| cpe:2.3:h:draytek:vigor2766:-:*:*:*:*:*:*:* | not specified by NVD | Running on | DrayTek |
| cpe:2.3:o:draytek:vigor2865_firmware:*:*:*:*:*:*:*:* | before 4.4.5.2 | Vulnerable | DrayTek |
| cpe:2.3:h:draytek:vigor2865:-:*:*:*:*:*:*:* | not specified by NVD | Running on | DrayTek |
- cpe:2.3:o:draytek:vigor2620_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·DrayTek
- cpe:2.3:h:draytek:vigor2620:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·DrayTek
- cpe:2.3:o:draytek:vigor2915_firmware:*:*:*:*:*:*:*:* Versions before 4.4.5.3 Vulnerable ·DrayTek
- cpe:2.3:h:draytek:vigor2915:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·DrayTek
- cpe:2.3:o:draytek:vigor2866_firmware:*:*:*:*:*:*:*:* Versions before 4.4.5.2 Vulnerable ·DrayTek
- cpe:2.3:h:draytek:vigor2866:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·DrayTek
- cpe:2.3:o:draytek:vigor2766_firmware:*:*:*:*:*:*:*:* Versions before 4.4.5.3 Vulnerable ·DrayTek
- cpe:2.3:h:draytek:vigor2766:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·DrayTek
- cpe:2.3:o:draytek:vigor2865_firmware:*:*:*:*:*:*:*:* Versions before 4.4.5.2 Vulnerable ·DrayTek
- cpe:2.3:h:draytek:vigor2865:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·DrayTek
Show 38 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:draytek:vigor2765_firmware:*:*:*:*:*:*:*:* | before 4.4.5.3 | Vulnerable | DrayTek |
| cpe:2.3:h:draytek:vigor2765:-:*:*:*:*:*:*:* | not specified by NVD | Running on | DrayTek |
| cpe:2.3:o:draytek:vigor2763_firmware:*:*:*:*:*:*:*:* | before 4.4.5.3 | Vulnerable | DrayTek |
| cpe:2.3:h:draytek:vigor2763:-:*:*:*:*:*:*:* | not specified by NVD | Running on | DrayTek |
| cpe:2.3:o:draytek:vigor2135_firmware:*:*:*:*:*:*:*:* | before 4.4.5.3 | Vulnerable | DrayTek |
| cpe:2.3:h:draytek:vigor2135:-:*:*:*:*:*:*:* | not specified by NVD | Running on | DrayTek |
| cpe:2.3:o:draytek:vigor166_firmware:*:*:*:*:*:*:*:* | before 4.2.7 | Vulnerable | DrayTek |
| cpe:2.3:h:draytek:vigor166:-:*:*:*:*:*:*:* | not specified by NVD | Running on | DrayTek |
| cpe:2.3:o:draytek:vigor3912_firmware:*:*:*:*:*:*:*:* | before 4.3.6.1 | Vulnerable | DrayTek |
| cpe:2.3:h:draytek:vigor3912:-:*:*:*:*:*:*:* | not specified by NVD | Running on | DrayTek |
| cpe:2.3:o:draytek:vigor1000b_firmware:*:*:*:*:*:*:*:* | before 4.3.2.8; 4.4.0.0 to before 4.4.3.1 | Vulnerable | DrayTek |
| cpe:2.3:h:draytek:vigor1000b:-:*:*:*:*:*:*:* | not specified by NVD | Running on | DrayTek |
| cpe:2.3:o:draytek:vigor165_firmware:*:*:*:*:*:*:*:* | before 4.2.7 | Vulnerable | DrayTek |
| cpe:2.3:h:draytek:vigor165:-:*:*:*:*:*:*:* | not specified by NVD | Running on | DrayTek |
| cpe:2.3:o:draytek:vigor3910_firmware:*:*:*:*:*:*:*:* | before 4.3.2.8; 4.4.0.0 to before 4.4.3.1 | Vulnerable | DrayTek |
| cpe:2.3:h:draytek:vigor3910:-:*:*:*:*:*:*:* | not specified by NVD | Running on | DrayTek |
| cpe:2.3:o:draytek:vigor2962_firmware:*:*:*:*:*:*:*:* | before 4.3.2.8; 4.4.0.0 to before 4.4.3.1 | Vulnerable | DrayTek |
| cpe:2.3:h:draytek:vigor2962:-:*:*:*:*:*:*:* | not specified by NVD | Running on | DrayTek |
| cpe:2.3:o:draytek:vigorlte200_firmware:*:*:*:*:*:*:*:* | all versions | Vulnerable | DrayTek |
| cpe:2.3:h:draytek:vigorlte200:-:*:*:*:*:*:*:* | not specified by NVD | Running on | DrayTek |
| cpe:2.3:o:draytek:vigor2133_firmware:*:*:*:*:*:*:*:* | all versions | Vulnerable | DrayTek |
| cpe:2.3:h:draytek:vigor2133:-:*:*:*:*:*:*:* | not specified by NVD | Running on | DrayTek |
| cpe:2.3:o:draytek:vigor2762_firmware:*:*:*:*:*:*:*:* | all versions | Vulnerable | DrayTek |
| cpe:2.3:h:draytek:vigor2762:-:*:*:*:*:*:*:* | not specified by NVD | Running on | DrayTek |
| cpe:2.3:o:draytek:vigor2832_firmware:*:*:*:*:*:*:*:* | all versions | Vulnerable | DrayTek |
| cpe:2.3:h:draytek:vigor2832:-:*:*:*:*:*:*:* | not specified by NVD | Running on | DrayTek |
| cpe:2.3:o:draytek:vigor2860_firmware:*:*:*:*:*:*:*:* | all versions | Vulnerable | DrayTek |
| cpe:2.3:h:draytek:vigor2860:-:*:*:*:*:*:*:* | not specified by NVD | Running on | DrayTek |
| cpe:2.3:o:draytek:vigor2862_firmware:*:*:*:*:*:*:*:* | all versions | Vulnerable | DrayTek |
| cpe:2.3:h:draytek:vigor2862:-:*:*:*:*:*:*:* | not specified by NVD | Running on | DrayTek |
| cpe:2.3:o:draytek:vigor2925_firmware:*:*:*:*:*:*:*:* | all versions | Vulnerable | DrayTek |
| cpe:2.3:h:draytek:vigor2925:-:*:*:*:*:*:*:* | not specified by NVD | Running on | DrayTek |
| cpe:2.3:o:draytek:vigor2926_firmware:*:*:*:*:*:*:*:* | all versions | Vulnerable | DrayTek |
| cpe:2.3:h:draytek:vigor2926:-:*:*:*:*:*:*:* | not specified by NVD | Running on | DrayTek |
| cpe:2.3:o:draytek:vigor2952_firmware:*:*:*:*:*:*:*:* | all versions | Vulnerable | DrayTek |
| cpe:2.3:h:draytek:vigor2952:-:*:*:*:*:*:*:* | not specified by NVD | Running on | DrayTek |
| cpe:2.3:o:draytek:vigor3220_firmware:*:*:*:*:*:*:*:* | all versions | Vulnerable | DrayTek |
| cpe:2.3:h:draytek:vigor3220:-:*:*:*:*:*:*:* | not specified by NVD | Running on | DrayTek |
- cpe:2.3:o:draytek:vigor2765_firmware:*:*:*:*:*:*:*:* Versions before 4.4.5.3 Vulnerable ·DrayTek
- cpe:2.3:h:draytek:vigor2765:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·DrayTek
- cpe:2.3:o:draytek:vigor2763_firmware:*:*:*:*:*:*:*:* Versions before 4.4.5.3 Vulnerable ·DrayTek
- cpe:2.3:h:draytek:vigor2763:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·DrayTek
- cpe:2.3:o:draytek:vigor2135_firmware:*:*:*:*:*:*:*:* Versions before 4.4.5.3 Vulnerable ·DrayTek
- cpe:2.3:h:draytek:vigor2135:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·DrayTek
- cpe:2.3:o:draytek:vigor166_firmware:*:*:*:*:*:*:*:* Versions before 4.2.7 Vulnerable ·DrayTek
- cpe:2.3:h:draytek:vigor166:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·DrayTek
- cpe:2.3:o:draytek:vigor3912_firmware:*:*:*:*:*:*:*:* Versions before 4.3.6.1 Vulnerable ·DrayTek
- cpe:2.3:h:draytek:vigor3912:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·DrayTek
- cpe:2.3:o:draytek:vigor1000b_firmware:*:*:*:*:*:*:*:* Versions before 4.3.2.8; 4.4.0.0 to before 4.4.3.1 Vulnerable ·DrayTek
- cpe:2.3:h:draytek:vigor1000b:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·DrayTek
- cpe:2.3:o:draytek:vigor165_firmware:*:*:*:*:*:*:*:* Versions before 4.2.7 Vulnerable ·DrayTek
- cpe:2.3:h:draytek:vigor165:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·DrayTek
- cpe:2.3:o:draytek:vigor3910_firmware:*:*:*:*:*:*:*:* Versions before 4.3.2.8; 4.4.0.0 to before 4.4.3.1 Vulnerable ·DrayTek
- cpe:2.3:h:draytek:vigor3910:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·DrayTek
- cpe:2.3:o:draytek:vigor2962_firmware:*:*:*:*:*:*:*:* Versions before 4.3.2.8; 4.4.0.0 to before 4.4.3.1 Vulnerable ·DrayTek
- cpe:2.3:h:draytek:vigor2962:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·DrayTek
- cpe:2.3:o:draytek:vigorlte200_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·DrayTek
- cpe:2.3:h:draytek:vigorlte200:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·DrayTek
- cpe:2.3:o:draytek:vigor2133_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·DrayTek
- cpe:2.3:h:draytek:vigor2133:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·DrayTek
- cpe:2.3:o:draytek:vigor2762_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·DrayTek
- cpe:2.3:h:draytek:vigor2762:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·DrayTek
- cpe:2.3:o:draytek:vigor2832_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·DrayTek
- cpe:2.3:h:draytek:vigor2832:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·DrayTek
- cpe:2.3:o:draytek:vigor2860_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·DrayTek
- cpe:2.3:h:draytek:vigor2860:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·DrayTek
- cpe:2.3:o:draytek:vigor2862_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·DrayTek
- cpe:2.3:h:draytek:vigor2862:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·DrayTek
- cpe:2.3:o:draytek:vigor2925_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·DrayTek
- cpe:2.3:h:draytek:vigor2925:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·DrayTek
- cpe:2.3:o:draytek:vigor2926_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·DrayTek
- cpe:2.3:h:draytek:vigor2926:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·DrayTek
- cpe:2.3:o:draytek:vigor2952_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·DrayTek
- cpe:2.3:h:draytek:vigor2952:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·DrayTek
- cpe:2.3:o:draytek:vigor3220_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·DrayTek
- cpe:2.3:h:draytek:vigor3220:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·DrayTek
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-41588
- 2026-10-03 Alias added: GHSA-5qpr-f47p-f6ch
References
More DrayTek Vigor1000b Firmware vulnerabilities
- TI-2023-16684 Draytek Vigor Routers firmware versions below 3.9.6/4.2.4, Access Points firmware… CVSS 3.1CRITICAL 9.8
- TI-2024-27685 Buffer Overflow vulnerabilities exist in DrayTek Vigor310 devices through 4.3.2.6 (in the… CVSS 3.1HIGH 8.0
- TI-2024-27681 DrayTek Vigor3910 devices through 4.3.2.6 have a stack-based overflow when processing… CVSS 3.1HIGH 8.0
- TI-2022-14179 An issue was discovered on certain DrayTek Vigor routers before July 2022 such as the… CVSS 3.1CRITICAL 10.0
- TI-2024-34257 Buffer Overflow vulnerability in Vigor2620/LTE200 3.9.8.9 and earlier and Vigor2860/2925… CVSS 3.1CRITICAL 9.8
- TI-2024-34256 Vigor165/166 4.2.7 and earlier; Vigor2620/LTE200 3.9.8.9 and earlier; Vigor2860/2925… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2024-41588 · CVE Program
- CVE-2024-41588 · NVD
- FIRST EPSS
- GHSA-5qpr-f47p-f6ch · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences